Which of the following statements is true?
A) For joint variation, the product of the quantities is constant.
B) For direct variation, the ratio of the two quantities is constant.
C) For inverse variation, the ratio of the two quantities is constant.
D) For direct variation, the product of the two quantities is constant.

Question

Which of the following statements is true?
A) For joint variation, the product of the quantities is constant.
B) For direct variation, the ratio of the two quantities is constant.
C) For inverse variation, the ratio of the two quantities is constant.
D) For direct variation, the product of the two quantities is constant.

anonymous · Answer

i believe B..

direction variation y = kx where k i constant
y/x = k, y/x are constant as a ratio.

others are false i think